The city sits at the confluence of the Christina River and the Delaware River, about 33 miles (53 km) southwest of Philadelphia. Wilmington Train Station, one of the southernmost stops on Philadelphia's SEPTA rail transportation system, is also served by Northeast Corridor Amtrak passenger trains.
Houston Intercontinental Airport IAH serves the country's fourth largest City of Houston and the Gulf Coast region in Southeast Texas. It is presently one of the top five airports in the world and continues to attract more air carriers and add more destination points.
When airline deregulation came in 1978, Southwest began to plan interstate flights from Love Field, causing groups affiliated with Dallas/Fort Worth International Airport, including the city of Fort Worth, Texas, to push the Wright Amendment through Congress to restrict such flights.